1. retinene either of two yellow to red retinal pigments formed from rhodopsin by the action of light
  2. retentive having the capacity to hold something
  3. retain secure and keep for possible future use or application
  4. retailing the activities involved in selling commodities directly to consumers
  5. rein in control and direct with or as if by reins
  6. retention the act of keeping something
  7. retaining wall a wall that is built to resist lateral pressure
  8. retained continued in your keeping or use or memory
  9. retainer an appliance that holds teeth in position after treatment
  10. retinitis inflammation of the retina
  11. run into collide violently with an obstacle
  12. staining the act of spotting or staining something
  13. retaking the act of taking something back
  14. retina a light-sensitive membrane covering the back of the eyeball
  15. curtain off separate by means of a curtain
  16. rain dance a ritual dance intended to bring rain
  17. curtain ring a circular ring for holding up a curtain
  18. retrain teach new skills
  19. turn in to surrender someone or something to another
  20. rain down precipitate as rain